EXAMPLE 3 Consider the heat exchanger finned-tube, cross-flow heat exchanger with a gas-side overall heat transfer coefficient and area of 100 W/m² • K and 40 m², respectively. The water flow rate and inlet temperature remain at 1 kg/s and 35C. However, a change in operating conditions for the hot gas generator causes the gases to now enter the heat exchanger with a flow rate of 1.5 kg/s and a temperature of 250C. What is the rate of heat transfer by the exchanger, and what are the gas and water outlet temperatures? that is, a
EXAMPLE 3 Consider the heat exchanger finned-tube, cross-flow heat exchanger with a gas-side overall heat transfer coefficient and area of 100 W/m² • K and 40 m², respectively. The water flow rate and inlet temperature remain at 1 kg/s and 35C. However, a change in operating conditions for the hot gas generator causes the gases to now enter the heat exchanger with a flow rate of 1.5 kg/s and a temperature of 250C. What is the rate of heat transfer by the exchanger, and what are the gas and water outlet temperatures? that is, a
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter10: Heat Exchangers
Section: Chapter Questions
Problem 10.13P
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Heat Exchangers
Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.
Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
Question
Transcribed Image Text:EXAMPLE 3
Consider the heat exchanger
finned-tube, cross-flow heat exchanger with a gas-side overall
heat transfer coefficient and area of 100 W/m² · K and 40 m²,
respectively. The water flow rate and inlet temperature remain at
1 kg/s and 35C. However, a change in operating conditions for
the hot gas generator causes the gases to now enter the heat
exchanger with a flow rate of 1.5 kg/s and a temperature of
250C. What is the rate of heat transfer by the exchanger, and
what are the gas and water outlet temperatures?
that is, a
1² .
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